If a boat's speed in still water is 15 km/h and it takes 3 hours to travel downs

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Question: If a boat\'s speed in still water is 15 km/h and it takes 3 hours to travel downstream, how far can it go?

Options:

Correct Answer: 60 km

Solution:

Speed downstream = 15 + speed of stream. Assuming stream speed is negligible, Distance = Speed * Time = 15 km/h * 3 h = 45 km.

If a boat's speed in still water is 15 km/h and it takes 3 hours to travel downstream, how far can it go?

If a boat's speed in still water is 15 km/h and it takes 3 hours to travel downstream, how far can it go?

Step 1: Identify the speed of the boat in still water, which is 15 km/h.
Step 2: Determine the time taken to travel downstream, which is 3 hours.
Step 3: Since the speed of the stream is negligible, we can consider the speed downstream to be the same as the speed of the boat, which is 15 km/h.
Step 4: Use the formula for distance, which is Distance = Speed * Time.
Step 5: Plug in the values: Distance = 15 km/h * 3 h.
Step 6: Calculate the distance: 15 * 3 = 45 km.

Speed, Distance, and Time – Understanding the relationship between speed, distance, and time, where Distance = Speed * Time.
Downstream and Upstream Concepts – Recognizing the difference between a boat's speed in still water and its effective speed when moving downstream or upstream.